Etymology and distribution of 鐡戸.

Tetsuto 【鐡戸】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Nagasaki-ken , Fukuoka-ken , Saga-ken .

① Saga-ken Karatsu-shi Birth of Hatashima. Place name with recorded notation of "Hakata island" in the Muromachi period.

② Topography . From fields and island like land. Fukushima-ken Minamisouma-shi Tell him that he was engaged in agriculture at Yonzawa Kawabata in Haramachi-ku. Estimated in the Edo period.

③ Topography . "Island" is added to the field which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Yamato-son Distributed on Yamato Beach. Where she in the 畑 there last name. 畑 Hata reference.